996 Turbo / GT2 Turbo discussion on previous model 2000-2005 Porsche 911 Twin Turbo and 911 GT2.

Widest 18" wheels/tires?

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Old Mar 10, 2004 | 11:47 PM
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Widest 18" wheels/tires?

I want to get some new wheels, but definitely sticking with 18s. What is the widest tires I can run without having to mess with rolling the fenders, etc.? I'm pretty sure something wider than 225 on the front will yield at least slightly better braking and handling, no? Can anyone recommend the best setup?
 

Last edited by jpatrick; Mar 11, 2004 at 12:03 AM.
Old Mar 10, 2004 | 11:55 PM
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I would think you should be able to get a 315 (rear) and 245 (front) without too much hassle. Should keep everything balanced out too....
 
Old Mar 11, 2004 | 08:32 AM
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I took the idea from Chad and am running 315 rears and 265 fronts. Works out fine.
 
Old Mar 11, 2004 | 03:20 PM
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John, are you saying that you can fit 265s up front with no rubbing or any modifications whatsoever?

Looking at the clearance I would think you would, at the very least, get rubbing when making a hard turn or that the tire would stick out from the fenderwell...

Please clarify.....
 
Old Mar 11, 2004 | 03:30 PM
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Had to roll the fender edge...that is all.

There is a very tight fit (a very little harmless rubbing) on the plastic inner fender liner directly in front of the front tires. Rubs only when wheel is turned in alot. Tires do not stick out beyond the fenders. Have to run small spacers all the way around to clear suspension parts.

Good luck...
 

Last edited by john stephanus; Mar 11, 2004 at 04:21 PM.
Old Mar 11, 2004 | 03:46 PM
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I wonder if running a different offset would have eliminated the need for the spacers?

What offset did you run in front and rear and what wheel are you now using?

Thx.
 
Old Mar 11, 2004 | 04:22 PM
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I really do not recall the offset, but I do not think Fikse offers small incremental changes in offset. The thicker spacers are around 1/8 inch, so I do not feel that they are going to cause any problems. I got the spacers from Rob King at Scargo and they are made to retain the hubcentric centering system.
 
Old Mar 12, 2004 | 03:19 AM
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If it sounds like yours are barely rubbing I wonder if a 255/35/18 and 315/30/18 would be the optimal combo for maximum tread without rubbing or modification required. In addition, the overall tire height would be almost identical to stock.


Anyone currently using this tire combo?
 
Old Mar 12, 2004 | 03:52 AM
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...

cjv heat treated the inner fender liner to avoid rubbing. The 265s fit perfectly now.
 
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